System for encryption and identification

Details System for encryption and identification System for encryption and identification

G - Physics

06

F

340/70, 342/11.1

G06F 9/44 (2006.01) G06F 1/00 (2006.01) G06F 21/00 (2006.01) G07C 9/00 (2006.01)

Patent

CA 1320747

ABSTRACT A keyboard is provided in a system which operates to detect the correct code (password), which is entered into the system by actuating keys on the keyboard. The keyboard consists of a matrix of keys and variable visible indicia of integers and letters. The matrix is a rectangular array of keys and the variable visible indicia are shown on display means, such as LED's, associated with the respective keys. The symbols appearing on the LEDs in the matrix are subjects of the code alphabet from which the string of symbols for the password is selected. Thus, a string making up the password consists of matrix coefficients as well as binary digits representing integers and letters.

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